Home / 13,724.54-20,588.02-3,863.90

Finding the Fourth Proportional to 13,724.54, 20,588.02 and 3,863.90

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Solution

The fourth proportional to 13,724.54, 20,588.02 and 3,863.90 is: 5,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.54 : 20,588.02 = 3,863.90 : x
  2. Step 2: Convert to fraction form
    13,724.54/20,588.02 = 3,863.90/x
  3. Step 3: Cross multiply
    13,724.54x = 20,588.02 × 3,863.90
  4. Step 4: Simplify right side
    13,724.54x = 79,550,114.02
  5. Step 5: Solve for x
    x = 79,550,114.02/13,724.54
  6. Step 6: Final answer
    x = 5,796.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.